Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for the M878A2 Yard Tractor cont'd

TM 9-2320-312-24-1

Table 1. Unit Preventive Maintenance Checks and Services (PMCS)

for the M878A2 Yard Tractor - Continued.

LOCATION

EQUIPMENT NOT

ITEM TO

ITEM

READY/AVAILABLE

CHECK/

NO.

INTERVAL

PROCEDURES

IF:

SERVICE

Engine Vibra- Perform maintenance check of vibration Vibration damper

loose,

Annual

tion Damper damper. Check for loss of alignment, cracks, cracked or leaking.

deterioration of rubber, excess free move-

ment, and fluid leakage from damper (Group

020 Commercial Service Manuals).

Annual

Engine

Inspect engine mounts for looseness, cracks, Engine mounts are damaged or

Mounts

bends or other damage.

loose.

a. Inspect transmission for the following: a. Loose or missing mounting

Annual

Transmission

loose transmission mount or bolts, evi-

bolts. Class III leaks are evi-

dence of transmission fluid leaks, and elec-

dent.

trical harnesses for burned or frayed wires,

corrosion, loose or broken connections.

b. Check oil cooler lines at transmission for b. Class III leaks are evident.

evidence of leaks.

NOTE

Transmission refill capacity is 26 qt (25 L).

c. Change transmission fluid (Item 24, WP

0165 00) and replace transmission fluid fil-

ters (Group 070 Commercial Service Man-

uals).

NOTE

Annual

Hydraulic

System

Hydraulic system total capacity is 15 gal (56.8 L).

(Power Steer-

Hydraulic reservoir alone holds 12 gal (45.2 L).

ing and Fifth

Wheel Lift)

a. Drain hydraulic reservoir (WP 0129 00).

b. Replace hydraulic filter element (WP 0131

00).

c. Refill hydraulic reservoir with hydraulic

fluid (Item 25 or 26, WP 0165 00) (WP

0129 00).

0009 00-25